HD6433045 HITACHI [Hitachi Semiconductor], HD6433045 Datasheet - Page 524

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HD6433045

Manufacturer Part Number
HD6433045
Description
Hitachi Single-Chip Microcomputer
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet

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TXI
(TEND interrupt)
I/O data
(1) Data write
(2) Transfer from
(3) Serial data output
Note: When the ERS flag is set, it should be cleared until transfer of the last bit (D7 in LSB-first
TDR to TSR
In case of normal transmission: TEND flag is set
In case of transmit error:
Figure 14-5 Relation Between Transmit Operation and Internal Registers
transmission, D0 in MSB-first transmission) of the next transfer data to be transmitted has
been completed.
DS
Da
Figure 14-6 TEND Flag Occurrence Timing
Db
Data 1
Data 1
Data 1
TDR
Dc
Dd
ERS flag is set
Steps (2) and (3) above are repeated until the TEND flag is set
12.5 etu
11.0 etu
De
(shift register)
Data 1
TSR
Df
514
Dg
Dh
; Data remains in TDR
Data 1
Dp
Guard
I/O signal line output
DE
GM = 0
GM = 1

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